There are two defense rating for each ships, beam defense and missile defense. Beam defense reflets mobility of a ship, while missile defense is a mix between mobility and ECM capability.

Beam Defense

Commonly abbreviated BD is calculated by formula:

BD = Speed * 5 + CrewLevelBonus + RaceDefenseBonus + LeaderAttackBonus + StabilizerBonus

Where:

  • Speed — is a ship speed in squared.

  • CrewLevelBonus — the bonus provided by the experienced Crew.

  • RaceDefenseBonus — see race Ship Defense.

Missile Defense

Commonly abbreviated MD is calculated by formula:

MD = Speed * 5 / 2 + CrewLevelBonus / 2 + RaceDefenseBonus / 2 + StabilizerBonus / 2 + JAMMER

TODO finish BA BD article;